Electrical Machines
Which of the following is minimized by laminating the core of a transformer?

 Hysteresis loss.
 Copper loss.
 Stray loss.
 Eddy current loss.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Cogging and crawling are phenomena associated with

 the former during starting and the latter at a fraction of its rated speed.
 any of the above.
 cage induction machines and they are essentially the same.
 the former at a fraction of its rate speed and the latter during starting.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
No load primary current in a transformer

 leads the applied voltage somewhat less than 90Ã&
 lags behind applied voltage somewhat less than 90Ã
 leads the applied voltage by exactly 90Â&
 lags behind applied voltage by exactly 90Â&am

ANSWER DOWNLOAD EXAMIANS APP